IPhone fifteen types are activated with an eSIM and do not support a Bodily SIM. Use of an eSIM needs a provider that supports eSIM along with a wi-fi provider prepare (which can include constraints on switching support suppliers and roaming, even just after contract expiration). See your provider for https://iphone-15-pro-max-case90011.alltdesign.com/the-best-side-of-phone-case-iphone-15-pro-max-49368684